What does "self-aware" mean?

Aware of oneself as an individual that exists in the real world.

Self-aware

Common synonyms include: be aware, cognisant, conscious choice, individual consciousness, intelligent, reflective journal.

adj

adj ·Rare ·Advanced level

Adjective

1
Aware of oneself as an individual that exists in the real world.
"The robot didn't just resemble a human girl: she was self-aware and conscious as well."
2
Cognizant of one's appearances, shortcomings, etc.
"The video is a self-aware parody of the trend."

Adjective

1
aware of yourself as an individual or of your own being and actions and thoughts wordnet

"It sounds like you are not self-aware or aware of your place in the universe."

From self- + aware.